Granted Patent
Utility
US 6,530,642 · App. 09/461,355
Cleaning device, method and printer with virtually equal wiping condition for different print unit to recording surface distances
Inventors:
Yoshio Uchikata, Hisashi Ishikawa, Hiroshi Tajika, Miyuki Fujita, Yuji Konno, Norihiro Kawatoko, Tetsuya Edamura, Tetsuhiro Maeda
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Dec 15, 1999
Inventors
Yoshio Uchikata
Hisashi Ishikawa
Hiroshi Tajika
Miyuki Fujita
Yuji Konno
Norihiro Kawatoko
Tetsuya Edamura
Tetsuhiro Maeda
Assignee (at issue)
CANON KABUSHIKI KAISHA
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.